Christian
I was watching you video on the CK hand controller and you said you had a 805 come up on your Amp/Function display screen that is a code, the codes are called Self-protection one has been engaged there are four of them 801, 802, 803, and 805. I have a Powertig 325EXT and had a Powertig 255EXT that showed that code but moved up to the codes on the Powertig 255/325EXT's, if you leave the amp controller on and do not make an arc it will give a 805 code after 2 or 3 seconds but if you move the controller or foot pedal controller back to the off position it will go away and show the preset amps and then it will start to work if you do not go to off position it will not make an arc.
If you look at the display it will show the amp light on in red and the ON light in green and the warning light in green not easy to see when the code 805 show up.
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